4-toluenesulphonyl urea
4-Toluenesulfonylurea
CAS: 1694-06-0
Molecular Formula: C8H10N2O3S
4-toluenesulphonyl urea - Names and Identifiers
| Name | 4-Toluenesulfonylurea |
| Synonyms | 4-tolylsulfonylurea 4-TOLUENSULFONYLUREA 4-Toluenesulfonylurea p-toluenesulfonylurea Gliclazide Impurity 12 4-toluenesulphonyl urea Tolbutamide EP Impurity B N-(p-Toluenesulfonyl)urea 4-methylphenylsulfonylurea Para-Toluene Sulfonyl Urea N-carbamoyl-4-methylbenzenesulfonamide N-(Aminocarbonyl)-4-methylbenzensulfona-mide BenzenesulfonaMide,N-(aMinocarbonyl)-4-Methyl- |
| CAS | 1694-06-0 |
| EINECS | 216-900-3 |
| InChI | InChI=1/C8H10N2O3S/c1-6-2-4-7(5-3-6)14(12,13)10-8(9)11/h2-5H,1H3,(H3,9,10,11) |
4-toluenesulphonyl urea - Physico-chemical Properties
| Molecular Formula | C8H10N2O3S |
| Molar Mass | 214.24 |
| Density | 1.3844 (rough estimate) |
| Melting Point | 196-198 °C |
| Water Solubility | 777.9mg/L(37 ºC) |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Appearance | White crystalline powder |
| Color | White to Off-White |
| pKa | 5.07±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5690 (estimate) |
| Physical and Chemical Properties | Melting point 196-198°C |
| Use | Used as a raw material for organic synthesis |
4-toluenesulphonyl urea - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | 34 - Causes burns |
| Safety Description | S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
4-toluenesulphonyl urea - Reference Information
| Use | Used as a raw material for organic synthesis An intermediate of tolbutamide (D860). |
| production method | p-toluenesulfonyl chloride is reacted with ammonia to generate p-toluenesulfonamide, and then it is condensed with urea under alkaline conditions to prepare the product. |
Last Update：2024-04-09 21:01:54
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